Results 211 to 220 of about 21,170 (273)

Super Hydrophobic UHMWPE/PTFE/PVA Composites with Low Friction: Preparation and Wear Mechanism. [PDF]

Polymers (Basel)
Wang H, Shao Z, Shen K, Bateer B, Ren F, Qi X.   +5 more
europepmc   +1 more source

Evolving Horizons in Temporomandibular Joint Total Replacement: A Comprehensive Narrative Review. [PDF]

Cureus
Dinesh Nag YD, Kinneresh R, Venkateswara Reddy MB, Mrudulika M, Karri AK, Bandi BG, Narahari E, Gupta S.   +7 more
europepmc   +1 more source

Computational Study of Stress Distribution in Polyethylene Elements Due to Metal Components of Knee and Hip Implants Made from Different Metal Alloys. [PDF]

Materials (Basel)
Sobociński M, Nabrdalik M.
europepmc   +1 more source

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Catalysts for UHMWPE and UHMWPE-copolymers

Inorganica Chimica Acta, 2010
Abstract Classic inorganic and more recent organometallic compounds capable of polymerizing ethylene to ultra high molecular are compared. Activated catalysts showed varying degrees of productivity when challenged with co-monomers. The general activity trend followed TiCl 3 3 N -(3,5-diiodosalicylidene)cycloheptylamine titanium dichloride was ...
Robert L. Jones, Mahmoud Z. Armoush, Tjhunina Harjati, Michael Elder, Albert A. Hummel, Jeffrey Sullivan   +5 more
openaire   +1 more source

Oxidation of orthopaedic UHMWPE

Biomaterials, 2002
Retrieved EtO sterilised acetabular cups usually show much less degradation than gamma-ray sterilised cups. Some of our retrieved EtO sterilised cups did, however, reveal unexpected bulk oxidation. It was observed that this oxidation was always accompanied by whitening of the material. This whitening was found to be due to a break-up of the compression
COSTA, Luigi, K. JACOBSON, BRACCO, Pierangiola, BRACH DEL PREVER, Elena Maria   +3 more
openaire   +3 more sources

Catalysts for UHMWPE

Macromolecular Symposia, 2009
AbstractPolyolefin coordination catalysts useful for producing UHMWPE are surveyed, including classic Ziegler‐Natta (ZN), current commercial generation ZN, metallocene single site, and non‐metallocene. Catalysts were prepared and compared for productivity and selected polymer properties under a variety of conditions.
R.L. Jones, M. Armoush
openaire   +1 more source

Melt miscibility of HDPE/UHMWPE, LDPE/UHMWPE, and LLDPE/UHMWPE blends detected by dynamic rheometer

Polymer Science Series A, 2014
The dynamic rheological behavior of high density polyethylene (HDPE)/ultrahigh molecular weight polyethylene (UHMWPE) blends, low density polyethylene (LDPE)/UHMWPE blends and linear low density polyethylene (LLDPE)/ UHMWPE blends was measured in parallel plate rheometer at 200°C.
Yang Chen, Huawei Zou, Ya Cao, Mei Liang
openaire   +1 more source

Accelerated aging studies of UHMWPE. II. Virgin UHMWPE is not immune to oxidative degradation

Journal of Biomedical Materials Research, 2002
AbstractIn Part I of this series, we showed that aging at elevated oxygen pressure is more successful at increasing the depth to which degradation occurs although it, too, generally causes greater degradation at the surface than at the subsurface.
A A, Edidin, M L, Villarraga, M P, Herr, J, Muth, S S, Yau, S M, Kurtz   +5 more
openaire   +2 more sources